Interrelated power delivery controls, including engine control inventions 11/08

20080293538 - Hybrid vehicle drive control apparatus and method: A hybrid vehicle drive control apparatus and method for a vehicle including an engine and a motor-generator are taught herein. When a drive mode requested by a driver is a power mode that attaches greater importance to an acceleration performance than to fuel consumption efficiency, a power mode engine torque... Agent: Young & Basile, P.C.

20080293539 - Control apparatus for vehicular drive system: A control apparatus for a vehicular drive system including (a) a first drive power source, (b) an electrically controlled differential portion which has a differential mechanism and a second drive power source connected to a rotary element of the differential mechanism and which is operable to control a differential state... Agent: Oliff & Berridge, PLC

20080293540 - Method and apparatus for manual-mode shifting using voice commands in automobile transmissions: A shift-by-speech transmission system allows a driver or a motorcyclist to choose a desired gear by voice commands. Conventional sequential semi-manual shifting only allows the driver to shift one gear up or down from a current gear using a gearshift lever or a paddle shifter. The level of driver engagement... Agent: Invent Capture, LLC

20080293541 - System and method for selecting a transmission gear ratio: An automatic transmission control system includes a shift map that includes predetermined ranges of vehicle speeds at which vehicle engine speeds require gear shifts for the automatic transmission based on requests for torque. The predetermined ranges include upper bounds that correspond to gear upshifts and lower bounds that correspond to... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080293542 - Device for preventing gear hopout in a tooth clutch in a vehicle transmission: A device is provided for preventing gear hopout in a tooth clutch in a vehicle transmission. The tooth clutch includes an engaging sleeve having sleeve clutch teeth that can selectably be brought in and out of an engaged state with mating clutch teeth by axial displacement of the engaging sleeve.... Agent: Wrb-ip LLP

20080293543 - Device for operating a shifting element of a drive mechanism: A device for operating a shifting element of a drive mechanism, having a piston positioned in a piston space to slide between first and second end positions. The piston is operated hydraulically and depends on the hydraulic pressure in the piston space and a force of a resetting mechanism acting... Agent: Davis Bujold & Daniels, P.l.l.c.

20080293544 - Process for actuating a transmission mechanism: A process for actuating a transmission mechanism having hydraulic shifting elements for changing gear ratios by using electric actuators to adjust the actuating pressures of the shifting elements. Upon a request from an engine start/stop function for shutdown of an engine, the flow of electrical current to the actuators is... Agent: Lambert Intellectual Property Law

20080287252 - Motor vehicle and control method of motor vehicle: In response to a downshift operation (step S160) in a moving motor vehicle under an accelerator released state, a torque demand correction value Tα(T) is set to give the greater torque variation against the lower speed in a downshifting gear position and against the higher vehicle speed V, until elapse... Agent: Oliff & Berridge, PLC

20080287253 - Variable displacement engine powertrain fuel economy mode: A vehicle drive system comprising of a variable displacement engine including a plurality of cylinders, where at least one of the plurality of cylinders selectively deactivates to decrease engine displacement; a torque converter operatively coupled to the variable displacement engine configured to operate with variable slip; a driver interface for... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080287254 - Engine control apparatus and engine control method: An engine control apparatus which performs torque-down control during shifting is structured so as to determine a retard rate from an MBT ignition timing which will achieve a target torque-down rate, and determine a target ignition timing based on that retard rate. The retard rate that achieves a given torque-down... Agent: Kenyon & Kenyon LLP

20080287255 - Control architecture and method to evaluate engine off operation of a hybrid powertrain system operating in a continuously variable mode: There is provided a method and apparatus to determine operating conditions for a powertrain comprising an internal combustion engine and first and second electrical machines and an electro-mechanical transmission selectively operative to transmit torque therebetween. The method comprises determining a torque output and an operating cost for operating the first... Agent: General Motors Corporation Legal Staff

20080287256 - Control device of straddle-type vehicle, transmission, and straddle-type vehicle: The preferred embodiments of the present invention allow for easy shift-down and adjustment of a shift-down amount. According to some examples, a transmission (20) includes an electronically controlled transmission mechanism (21), and a control unit (5) that controls the transmission mechanism (21). The control unit (5) includes a transmission ratio... Agent: Watchstone P+d, PLC

20080287257 - Transmission for tractor: The present invention relates to a transmission for a tractor, and more particularly to a transmission for a tractor in which a main transmission part arranged between a forward/reverse transmission part and a sub transmission part is shortened, thereby reducing the whole length thereof.... Agent: Mcdermott Will & Emery LLP

20080287258 - Shift control device and ratio control method for automatic transmission: In a shift control device and a shift control method for an automatic transmission, when the shift range is switched from a non-travel range to a travel range, a squat control of temporarily forming a high-speed step that is smaller in speed change ratio than the first speed change step... Agent: Sughrue Mion, PLLC

20080287259 - Electronic control fuel save clutch device for vehicle: The present invention relates to an electronic control fuel saving clutch device for a vehicle, comprising: an electronic control clutch (7), a brake switch (8), an accelerator sensor (9) and an electromagnetic fuel line throttle valve (G) for opening and closing the accelerated fuel supply; the electronic control clutch and... Agent: Ladas & Parry LLP

20080287260 - Speed controlled spring return actuator: An actuator including a motor, clutch, gear train, solenoid, clock spring, and air brake is provided. The motor is configured to drive a control valve. The clutch is operably coupled to the motor and configured to prevent the motor from transferring more than a predetermined amount of torque. The gear... Agent: Reinhart Boerner Van Deuren P.C.

20080280726 - Hybrid powertrain with an engine input clutch and method of control: A powertrain is provided with an input clutch that is disengagable to allow a transmission input member to rotate independently of engine speed under power of a motor and provide an alternative way to power vehicle accessories otherwise driven by engine torque, while still allowing the motor to start the... Agent: General Motors Corporation Legal Staff

20080280727 - System for transmitting hydraulic pressure: A system for transmitting hydraulic pressure in an automatic transmission housed in a transmission case. The system includes a valve body for generating the hydraulic pressure, a first hole unit in the transmission case, and a second hole unit. The first hole unit includes at least one hole perpendicular to... Agent: Woo Yeol Kim

20080280728 - Power transmitting apparatus: A power transmitting apparatus for performing switching between 2-wheel and 4-wheel drive modes and locking and unlocking of differential mechanism by an operational shaft can include a driving device comprising a reversible motor, a rotational member rotationally driven by the motor and provided with a contacting member. A spring can... Agent: Knobbe Martens Olson & Bear LLP

20080280729 - Vehicle and four wheeled vehicle for irregular ground: A vehicle according to the present invention includes a first detecting means for detecting an engine speed, a second detecting means for detecting a rotational speed of a rotating member, an engine speed changing means for changing the engine speed, and a control unit. The control unit is electrically connected... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080274856 - Method and control device for implementing a startup of a combustion engine in a hybrid vehicle: A method for compensating a transmitted torque of a clutch between a regulated drive motor, in particular an electromotor, and a combustion engine in the transition to an operation using only the drive motor, to hybrid operation in which an overall torque is supplied jointly by the drive motor and... Agent: Kenyon & Kenyon LLP

20080274857 - Method for controlling an automatic vehicle transmission in order to reduce back-and-forth shifting: A method of controlling an automatic transmission of a motor vehicle having clutches controlled by an electronic control unit. A transmission rotational speed in an initial transmission stage is determined. If a first transmission shifting rotational speed is reached, the transmission is shifted from the initial transmission stage to a... Agent: Davis Bujold & Daniels, P.l.l.c.